"We launched an interest only mortgage product to fill in the market gap left by First Republic [Bank] and others," said Richard Raffetto, a senior executive vice president at Flagstar and president of commercial and private banking.

The planned $560.4 million issuance is the largest CES securitization yet from the nonbank, which started issuing deals in April.

The Trump administration vowed to continue the effort to fire Cook, alleging mortgage fraud.

"As we look forward, I think it’ll be gradual," Brian Brown, chief financial officer and treasurer of Rocket Companies, said of improvements in the housing market for homebuyers.

The largest securitization in the batch is a $654.4 million prime non-agency MBS with loans originated by JPMorgan Chase Bank.

If subservicing is included in FHFA's market share cap, Rocket plans to shift some of the servicing mix at the combined Rocket/Mr. Cooper.

Nonconforming products accounted for 21.2% of first-lien originations in the second quarter, according to a new analysis by Inside Mortgage Finance.

UWM contributed to three non-agency MBS that started marketing Thursday.

A slight rise in the unemployment rate in August helped to reinforce expectations that the Fed will cut the federal funds rate this month.

The Securities and Exchange Commission will be seeking feedback next month on ways to boost issuance of publicly-registered MBS and ABS.